单词:welded-steel
[网络] 焊接钢结构;钢构焊接;依然是金属焊接家具
单词:welded-steel 相关文章
AGRICULTURE REPORT – January 29, 2002: Genetically Engineered Crops Increasing By George Grow Soybeans This is the VOA Special English AGRICULTURE REPORT. Increasing numbers of farmers are growing g
This is the VOA Special English Agriculture Report. Heat and drought are threatening some of America's most productive farmland. The Department of Agriculture says an early summer heat wave across the West has increased demand for water to save dry c
AGRICULTURE REPORT – June 25, 2002: Organic Farming Study By George Grow (Photo -Scott Bauer) This is the VOA Special English Agriculture Report. Agricultural scientists in Switzerland have demonstr
AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a
Agriculture Report - Feed the Soil, Feed the Crops This is the VOA Special English Agriculture Report. Studies show farmland in Africa is often lacking in important nutrients. But researchers say a combination of farming methods may help. Since the w
AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica